African Swift vs Asian Palm Swift
Apus barbatus so với Cypsiurus balasiensis
Side-by-Side Comparison
| Thuộc Tính | African Swift | Asian Palm Swift |
|---|---|---|
| Tên Khoa Học | Apus barbatus | Cypsiurus balasiensis |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Apodidae | Apodidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 34,2 cm (13.5 in) | 22,9 cm (9.0 in) |
| Khối Lượng | 42,666666666666664 g (1.51 oz) | 8,833333333333334 g (0.31 oz) |
| Chế Độ Ăn | Completely aerial diet of small flying insects and spiders; never forages on the ground or … | Feeds on aerial plankton of tiny insects and spiders; entire diet captured during non-stop aerial … |
| Số Trứng | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Asian Palm Swift
High, wavering whistle with slightly nasal quality; gently pulsed notes trembling upward, characteristic of evening flight calls.
Geographic Range & Migration
African Swift
Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. One of Africa's most common swift species.
Asian Palm Swift
Found from India and Sri Lanka east through Southeast Asia to the Philippines and Indonesia. Common resident in open areas near palms.
Tình Trạng Bảo Tồn
African Swift
Asian Palm Swift
How to Tell Them Apart
African Swift
Dark sooty-brown throughout; pale throat patch whitish-grey; underparts slightly paler; broadly similar to Common Swift but slightly larger and marginally paler below; widespread Sub-Saharan African species.
Asian Palm Swift
Very slender; pale greyish-brown overall; paler below; extremely long deeply forked tail; tiny for a swift; South and Southeast Asian palm-nesting species; uniform pale brownish-grey coloration similar to African relative …
About These Birds
African Swift
A medium-sized swift (16-17 cm) found across sub-Saharan Africa. Dark sooty-brown plumage, darker than Pallid Swift. Aerial insectivore, foraging high over varied habitats from forests to savannas. Breeds on cliffs and buildings. Resident or partial migrant within Africa.
Asian Palm Swift
A slender swift (13 cm) widespread across South and Southeast Asia from India to the Philippines and Indonesia. Dark brown plumage with a deeply forked tail. Aerial insectivore, closely associated with palm trees, nesting on the underside of palm leaves. Abundant in tropical lowlands.